/*
Assignment 1
Class ID        : SE0691
Group           : 1
Due Date        : 20 November 2012
I declare that this assignment is my own work
in accordance with FPT Policy.
*/
package edu.fpt.servlet;

import edu.fpt.dal.ApartmentDAL;
import edu.fpt.dal.RequestServicesDAL;
import edu.fpt.dal.ServicesDAL;
import edu.fpt.dal.UsersDAL;
import edu.fpt.hib.Apartment;
import edu.fpt.hib.RequestServices;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author Admin
 */
public class ProcessRequestServlet extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            /* TODO output your page here. You may use following sample code. */
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet ProcessRequestServlet</title>");
            out.println("</head>");
            out.println("<body>");
            String userid = request.getParameter("userid");
            String serviceid = request.getParameter("serviceid");
            String action = request.getParameter("action");
            if (userid == null || serviceid == null || action == null) {
                response.sendRedirect("admin/user.jsp");
            } else {
                if ("accept".equals(action)) {
                    RequestServicesDAL.deleteRequest(serviceid, userid);
                    Apartment apart = ApartmentDAL.getApartmentByUserHQL(userid);
                    apart.setUsingServices(apart.getUsingServices() + serviceid + " ");
                    ApartmentDAL.update(apart);
                    response.sendRedirect("admin/request.jsp");
                } else {
                    try {
                        RequestServices req = RequestServicesDAL.getRequest(serviceid, userid);
                        out.println(req.getRequestStatus());
                        req.setRequestStatus("Deny");
                        out.println("Pass set");
                        RequestServicesDAL.update(req);
                        out.println("Pass update");
                        response.sendRedirect("admin/request.jsp");
                    } catch (Exception e) {
                        out.println(e.getMessage());
                    }
                }
            }
            out.println("</body>");
            out.println("</html>");
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
